<template>
  <div class="home-page">
    <van-tabs animated v-model="channel_id">
      <van-tab v-for="item in $store.getters.myChannels" :key="item.id"
      :title="item.name" :name="item.id">
        <article-list :channelId="item.id"></article-list>
      </van-tab>
    </van-tabs>
    <!-- 按钮 -->
    <div class="btn-wrapper">
      <i class="iconfont icon-search"></i>
      <i class="iconfont icon-channel" @click="$store.commit('channel/showPopup')"></i>
    </div>
    <!-- 频道 -->
    <article-channels-popup></article-channels-popup>
  </div>
</template>
<script>
import ArticleList from '@/components/ArticleList'
import ArticleChannelsPopup from './components/article-channels-popup.vue'
// import articleChannelsPopup from './components/article-channels-popup.vue'
export default {
  // components: { articleChannelsPopup },
  name: 'HomePage',
  components: {
    ArticleList,
    ArticleChannelsPopup
  },
  data () {
    return {
    }
  },
  watch: {
    async '$store.getters.token' () {
      // 当token变化后，重新加载我的频道列表
      await this.$store.dispatch('channel/loadMyChannels')
      // 重置当前频道为推荐
      this.$store.commit('channel/setActiveChannelId', 0)
    }
  },
  computed: {
    channel_id: {
      get () {
        return this.$store.getters.activeChannelId
      },
      set (newActiveChannelId) {
        this.$store.commit('channel/setActiveChannelId', newActiveChannelId)
      }
    }
  },
  async created () {
    const [err] = await this.$store.dispatch('channel/loadMyChannels')
    if (err) return this.$toast.fail('频道获取失败')
  },
  methods: {
  }
}
</script>
<style scoped lang="less">
.home-page {
::v-deep .van-tabs {
 height: 100%;
 display: flex;
 flex-direction: column;
 .van-tabs__line {
 background: @geek-color;
 height: 2px;
 width: 32px;
 }
 .van-tab {
 color: #9ea1ae;
 }
 .van-tab--active {
 font-size: 18px;
 color: #333;
 }
 .van-tabs__wrap {
 padding-right: 86px;
 box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
 .van-tabs__content {
  flex: 1;
  overflow: hidden;
 }
 .van-tab__pane {
 height: 100%;
 }
 }
 .btn-wrapper {
 position: absolute;
 right: 0;
 top: 0;
 width: 86px;
 height: 44px;
 background: #fff;
 display: flex;
 align-items: center;
 .iconfont {
 flex: 1;
 text-align: center;
 font-size: 18px;
 }
 &::before {
 content: "";
width: 20px;
height: 44px;
position: absolute;
left: -20px;
top: 0;
background: linear-gradient(to right, rgba(255, 255, 255, 0), #fff);
 }
 }
}
</style>
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